Skin rashes (tiny red spots) in children associated with fever could be due to multiple reasons.
Chicken Pox is a possible diagnosis. But there are many other possibilities like - measles, roseola, erythema infectiosum
, Kawasaki disease
, CMV, enterovirus, EBV, Hemorrhagic fever, VZV, Dengue, thrombocytopenia
The size, shape, level, order of appearance etc are important characteristics to distinguish rashes and reach the possible cause. It is very much important to get your child examined by pediatrician
and start the treatment accordingly.
Please take him back to doctor.